/Engine/Source/Runtime/Engine/Classes/Engine/SimpleConstructionScript.h
Helper function to find the current scene root component template and optionally the owning SCS node
[USceneComponent](API\Runtime\Engine\Components\USceneComponent) * GetSceneRootComponentTemplate ( bool bShouldUseDefaultRoot, [USCS_Node](API\Runtime\Engine\Engine\USCS_Node) ** OutSCSNode ) const